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Because of the effects of climate change and globalization, the world right now faces "incredible opportunities masquerading as insolvable problems," said Thomas Friedman on a recent visit to Philadelphia. The New York Times columnist and best-selling author of The World Is Flat was in town for a World Affairs Council luncheon to promote his new book, Hot, Flat, and Crowded...

Albert Zalcmann certainly considers himself environmentally aware. The member of Congregation M'kor Shalom in Cherry Hill, N.J., owns a hybrid car; more to the point, he's an environmental engineer. But, if a mathematical formula designed by the Washington, D.C.-based Sustainable Energy Institute to calculate a person's ecological footprint -- or the amount of usable land needed to sustain a single...

As the sun dips behind the Ramat Naftali Mountain range, beginning to draw with it what's left of the light in the Upper Galilee, we set off to see the cranes. Our group, mostly journalists from around the world, are being led out into the middle of the broad Hula Valley by the steady pull of a battered old tractor...

At first glance, Jonathan Rosen's latest book, The Life of the Skies , subtitled Birding at the End of Nature , seems to be about, well, birds. But The Life of the Skies is about more than that. While exploring history, religion and culture, as found in literature spanning thousands of years, Rosen shows his readers -- and, in fact,...

As the effects of global warming continue to spread throughout the world, Israeli scientists -- and one, in particular -- hope that ongoing research will keep agricultural crops growing despite the possibility of harsh conditions. "[Global warming] doesn't just mean higher temperatures," said Simon Barak, a molecular biologist at Ben-Gurion University of the Negev. "It means unpredictable droughts, increasing salinization...